UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mMj8Tlgslwtzl+NKfDcwd2d089LANZrDkSWSt45RTsM=' 
WHERE 
  key_id = 'e203b4283fb632af831a4785cfc70a41443ffb60ec53f7e20c81d61acb827f04' 
  AND (
    token = 'mMj8Tlgslwtzl+NKfDcwd2d089LANZrDkSWSt45RTsM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038